<template>
  <li @mouseenter="isShow = true" @mouseleave="isShow = false">
    <label>
      <input type="checkbox" :checked="list.tag" @change="handleChange"/>
      <span>{{list.name}}</span>
    </label>
    <button class="btn btn-danger" v-show="isShow" @click="handleClick">删除</button>
  </li>
</template>

<script>

export default {
  name:"TodoItem",
  props:{
    list:{
      type:Object,
      required:true,
    },
    changeCheck:{
      type:Function,
      required:true,
    },
    index:{
      type: Number,
      required: true,
    },
    delList:{
      type:Function,
      required:true,
  },
    
  },
  data(){
    return {
      isShow:false,
    }
  },
  methods: {
    // 单选框
    handleChange(){
      this.changeCheck(this.list.id);
    },
    // 单个删除
    handleClick(){
      if(window.confirm("确定要删除吗？")){
        this.delList(this.index);
      }
    },
  },
}
</script>

<style>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
</style>